text: The function of Turner angle is available:
  For Python, published in the [http://www.teos-10.org/pubs/gsw/html/gsw_contents.html GSW Oceanographic Toolbox] from the function [http://www.teos-10.org/pubs/gsw/html/gsw_Turner_Rsubrho.html gsw_Turner_Rsubrho].
  For R, please reference this page [https://rdrr.io/cran/gsw/man/gsw_Turner_Rsubrho.html Home/CRAN/gsw/gsw_Turner_Rsubrho: Turner Angle and Density Ratio].
  For MATLAB, please reference this page [https://github.com/durack1/GSW-Matlab/blob/master/gsw_Turner_Rsubrho.m GSW-Matlab/gsw_Turner_Rsubrho.m].